@font-face {
  font-family: "Manrope";
  src: url("assets/fonts/manrope-latin.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-latin.woff2") format("woff2");
  font-weight: 500 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #05070d;
  --bg-deep: #090d14;
  --bg-elevated: rgba(15, 19, 27, 0.9);
  --bg-elevated-soft: rgba(13, 17, 25, 0.76);
  --surface: rgba(255, 255, 255, 0.03);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(151, 179, 226, 0.18);
  --line-strong: rgba(176, 205, 255, 0.32);
  --line-soft: rgba(255, 255, 255, 0.08);
  --ink: #edf3ff;
  --muted: #95a4bf;
  --muted-strong: #c0cee7;
  --accent: #b7dcff;
  --accent-cyan: #7dd7ff;
  --accent-blue: #567fff;
  --shadow-xl: 0 40px 120px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.34);
  --radius-sm: 1rem;
  --radius-md: 1.55rem;
  --radius-lg: 2rem;
  --section-space: clamp(5rem, 9vw, 8rem);
  --container: min(1240px, calc(100% - 2rem));
  --header-height: 88px;
  --font-body: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
}

html[lang="ja"] {
  --font-body: "Manrope", "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
  --font-display: "Space Grotesk", "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 14% 12%, rgba(86, 127, 255, 0.18), transparent 28%),
    radial-gradient(circle at 86% 10%, rgba(125, 215, 255, 0.12), transparent 22%),
    radial-gradient(circle at 52% 62%, rgba(125, 215, 255, 0.05), transparent 24%),
    linear-gradient(180deg, #05070d 0%, #070b11 34%, #05070d 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 16%),
    radial-gradient(circle at 50% 0%, rgba(125, 215, 255, 0.08), transparent 36%);
  mix-blend-mode: screen;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a,
input,
textarea,
select {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

h1,
h2,
h3,
.brand-wordmark strong,
.card-kicker,
.signal-label,
.service-eyebrow,
.flow-index {
  font-family: var(--font-display);
}

.page-grid,
.page-noise,
.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.page-grid {
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 108px 108px;
  mask-image: radial-gradient(circle at 50% 18%, rgba(0, 0, 0, 0.98), transparent 82%);
  opacity: 0.42;
}

.page-noise {
  z-index: 0;
  opacity: 0.08;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0.6px, transparent 0.7px);
  background-size: 13px 13px;
  mix-blend-mode: screen;
}

.page-glow {
  z-index: 0;
  filter: blur(110px);
  opacity: 0.24;
}

.glow-a {
  inset: 6% auto auto -12%;
  width: 36vw;
  height: 36vw;
  background: rgba(86, 127, 255, 0.18);
}

.glow-b {
  inset: 8% -12% auto auto;
  width: 32vw;
  height: 32vw;
  background: rgba(125, 215, 255, 0.14);
}

.glow-c {
  inset: auto auto 4% 28%;
  width: 32vw;
  height: 24vw;
  background: rgba(98, 135, 230, 0.12);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(8, 11, 18, 0.96);
  color: var(--ink);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header,
main,
.site-footer,
.header-progress {
  position: relative;
  z-index: 1;
}

.header-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 2px;
  z-index: 80;
}

.header-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: left center;
  transform: scaleX(var(--scroll-progress, 0));
  background: linear-gradient(90deg, rgba(125, 215, 255, 0.05), var(--accent-cyan), rgba(86, 127, 255, 0.95));
  box-shadow: 0 0 20px rgba(125, 215, 255, 0.3);
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(5, 7, 13, 0.42);
  border-bottom: 1px solid transparent;
  transition: background 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.site-header.is-scrolled {
  background: rgba(5, 7, 13, 0.82);
  border-color: var(--line);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand-wordmark {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.08;
}

.brand-wordmark strong {
  font-size: 0.88rem;
  letter-spacing: 0.2em;
  font-weight: 700;
}

.brand-wordmark small {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 1.15rem;
  min-width: 0;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.55rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  transform: scaleX(0.15);
  opacity: 0;
  transform-origin: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-toggle,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease,
    color 0.22s ease;
  white-space: nowrap;
}

.lang-toggle {
  min-height: 3rem;
  min-width: 92px;
  padding: 0 1rem;
  border-color: var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.button {
  min-height: 3.2rem;
  padding: 0 1.4rem;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.button--small {
  min-height: 2.9rem;
  padding-inline: 1.18rem;
}

.button--primary {
  color: var(--ink);
  background: linear-gradient(135deg, rgba(125, 215, 255, 0.2), rgba(86, 127, 255, 0.88));
  border-color: rgba(125, 215, 255, 0.28);
  box-shadow: 0 20px 44px rgba(36, 55, 112, 0.36);
}

.button--ghost {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.025));
  border-color: var(--line);
  color: var(--ink);
}

.lang-toggle:hover,
.lang-toggle:focus-visible,
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--primary:hover,
.button--primary:focus-visible {
  box-shadow: 0 22px 48px rgba(36, 55, 112, 0.44), 0 0 0 4px rgba(125, 215, 255, 0.08);
}

.button--ghost:hover,
.button--ghost:focus-visible,
.lang-toggle:hover,
.lang-toggle:focus-visible {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px rgba(125, 215, 255, 0.06);
}

.section {
  position: relative;
  padding-block: var(--section-space);
}

.section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

.hero::before {
  display: none;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--accent-cyan);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-kicker::before {
  content: "";
  display: block;
  width: 2.6rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(125, 215, 255, 0.18), rgba(125, 215, 255, 0.84));
}

.section-head {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.section-head h2,
.contact-panel h2 {
  margin: 0.95rem 0 0.85rem;
  font-size: clamp(2.2rem, 4vw, 4.1rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.section-lead,
.hero-lead,
.signal-tile p,
.service-panel p,
.flow-step p,
.evidence-note,
.footer-note,
.profile-row dt,
.evidence-quote footer,
.evidence-quote small,
.fine-print {
  color: var(--muted);
}

.section-lead,
.hero-lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(1.02rem, 1.6vw, 1.12rem);
}

.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-top: clamp(3.5rem, 7vw, 5.2rem);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(2.4rem, 5vw, 5.8rem);
  align-items: center;
}

.hero-copy {
  max-width: 620px;
}

.hero-copy h1 {
  margin: 1rem 0 1.15rem;
  font-size: clamp(3.25rem, 7vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
  max-width: 9.6ch;
}

html[lang="ja"] .hero-copy h1 {
  font-size: clamp(2.75rem, 6.3vw, 5.8rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  max-width: 8.5ch;
}

.hero-lead {
  color: var(--muted-strong);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.8rem 0 1.5rem;
}

.hero-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-flags li {
  padding: 0.68rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  color: var(--accent);
  font-size: 0.88rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.hero-footnote {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.55rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--muted-strong);
}

.hero-scroll::after {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.16), rgba(125, 215, 255, 0.82));
}

.hero-visual {
  position: relative;
}

.hero-frame {
  position: relative;
  min-height: clamp(430px, 60vw, 760px);
  border-radius: 2rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 16%),
    linear-gradient(180deg, rgba(13, 17, 25, 0.84), rgba(9, 12, 18, 0.98));
  box-shadow: var(--shadow-xl);
  transform-style: preserve-3d;
  transform: perspective(1400px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transition: transform 0.2s ease-out, border-color 0.22s ease, box-shadow 0.22s ease;
  isolation: isolate;
}

.hero-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 22%, transparent 64%, rgba(125, 215, 255, 0.08)),
    radial-gradient(circle at 50% 20%, rgba(125, 215, 255, 0.12), transparent 32%);
  pointer-events: none;
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 18px;
  z-index: 2;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.hero-art {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  min-height: clamp(430px, 60vw, 760px);
  object-fit: cover;
}

.hero-annotation,
.signal-tile,
.service-panel,
.flow-step,
.evidence-quote,
.evidence-card,
.contact-panel {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.hero-annotation {
  position: absolute;
  z-index: 3;
  max-width: 250px;
  padding: 0.9rem 1rem;
  border-radius: 1.1rem;
  border: 1px solid rgba(177, 205, 255, 0.2);
  background: rgba(9, 13, 20, 0.72);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.24);
}

.hero-annotation span {
  display: block;
  margin-bottom: 0.32rem;
  color: var(--accent-cyan);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-annotation strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
}

.annotation-a {
  top: 1.5rem;
  right: 1.5rem;
}

.annotation-b {
  left: 1.5rem;
  bottom: 4.8rem;
}

.hero-axis {
  position: absolute;
  left: 1.4rem;
  right: 1.4rem;
  bottom: 1.35rem;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signals-grid,
.services-grid,
.flow-track {
  display: grid;
  gap: 1rem;
}

.signals-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.signal-tile,
.service-panel,
.flow-step,
.evidence-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 20%),
    linear-gradient(180deg, rgba(13, 17, 25, 0.82), rgba(9, 12, 18, 0.96));
  box-shadow: var(--shadow-lg);
}

.signal-tile {
  min-height: 220px;
  padding: 1.45rem 1.35rem 1.45rem;
}

.signal-tile::before,
.service-panel::before,
.flow-step::before,
.evidence-card::before,
.contact-panel::before,
.evidence-quote::before {
  content: "";
  position: absolute;
  left: 1.2rem;
  right: 1.2rem;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125, 215, 255, 0.7), transparent);
}

.signal-label,
.service-eyebrow,
.card-kicker {
  display: inline-block;
  color: var(--accent-cyan);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.signal-tile h3,
.service-panel h3,
.flow-step h3 {
  margin: 1rem 0 0.65rem;
  font-size: 1.28rem;
  line-height: 1.13;
  letter-spacing: -0.03em;
}

.service-panel {
  padding: 1.6rem 1.45rem;
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-panel p {
  margin: 0;
}

.service-points {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
}

.service-points li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted-strong);
}

.service-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  box-shadow: 0 0 16px rgba(125, 215, 255, 0.4);
}

.flow-track {
  position: relative;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flow-track::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 2.5rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(125, 215, 255, 0.08), rgba(125, 215, 255, 0.5), rgba(125, 215, 255, 0.08));
}

.flow-step {
  padding: 1.4rem 1.35rem 1.5rem;
}

.flow-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  height: 2rem;
  padding-inline: 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(125, 215, 255, 0.18);
  background: rgba(125, 215, 255, 0.06);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 1rem;
  align-items: start;
}

.evidence-quote,
.contact-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xl);
}

.evidence-quote {
  min-height: 100%;
  padding: clamp(2rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    radial-gradient(circle at 70% 18%, rgba(125, 215, 255, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(15, 19, 27, 0.78), rgba(8, 11, 18, 0.96));
}

.evidence-quote p {
  margin: 0.9rem 0 1rem;
  max-width: 13ch;
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  line-height: 1.14;
  letter-spacing: -0.04em;
}

html[lang="ja"] .evidence-quote p {
  max-width: 17ch;
  line-height: 1.28;
}

.evidence-quote footer {
  font-size: 0.94rem;
}

.evidence-quote small {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.evidence-stack {
  display: grid;
  gap: 1rem;
}

.evidence-card {
  padding: 1.45rem 1.5rem;
}

.profile-list {
  margin: 1rem 0 0;
}

.profile-row {
  display: grid;
  grid-template-columns: minmax(145px, 185px) 1fr;
  gap: 1rem;
  padding: 0.92rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.profile-row:last-child {
  border-bottom: 0;
}

.profile-row dt {
  font-weight: 700;
}

.profile-row dd {
  margin: 0;
  color: var(--ink);
}

.source-list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.source-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.92rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--ink);
  word-break: break-word;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.source-list a::after {
  content: "↗";
  color: var(--accent-cyan);
  flex: 0 0 auto;
}

.source-list a:hover,
.source-list a:focus-visible {
  transform: translateX(3px);
  border-color: var(--line-strong);
  background: rgba(125, 215, 255, 0.05);
}

.evidence-note {
  margin: 1rem 0 0;
  font-size: 0.92rem;
}

.contact-panel {
  padding: clamp(2.5rem, 4vw, 3.4rem);
  text-align: center;
  background:
    radial-gradient(circle at 50% 8%, rgba(125, 215, 255, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(15, 19, 27, 0.78), rgba(8, 11, 18, 0.96));
}

.contact-panel h2 {
  max-width: 8ch;
  margin-inline: auto;
}

.contact-lead {
  max-width: 48ch;
  margin-inline: auto;
}

.contact-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.fine-print {
  margin: 1.2rem 0 0;
  font-size: 0.92rem;
}

.site-footer {
  padding: 1.6rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem 1.5rem;
  align-items: center;
}

.footer-brand {
  display: grid;
  gap: 0.2rem;
}

.footer-brand strong {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.footer-brand span,
.site-footer small {
  color: var(--muted);
}

.footer-note {
  margin: 0;
  max-width: 42ch;
  font-size: 0.94rem;
}

.js .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .reveal.delay-1 {
  transition-delay: 0.08s;
}

.js .reveal.delay-2 {
  transition-delay: 0.16s;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.not-found-page .hero {
  min-height: 100vh;
  padding-block: 4rem;
}

.not-found-page .hero-copy h1 {
  max-width: 7ch;
}

@media (max-width: 1140px) {
  .hero-layout,
  .evidence-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 760px;
    width: 100%;
    margin-inline: auto;
  }

  .signals-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-grid,
  .flow-track {
    grid-template-columns: 1fr;
  }

  .flow-track::before {
    display: none;
  }
}

@media (max-width: 860px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand actions"
      "nav nav";
    gap: 0.9rem 1rem;
    padding-block: 0.95rem;
  }

  .brand {
    grid-area: brand;
  }

  .header-actions {
    grid-area: actions;
    justify-self: end;
  }

  .site-nav {
    grid-area: nav;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.2rem;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-footnote {
    flex-direction: column;
    align-items: flex-start;
  }

  .annotation-a,
  .annotation-b {
    max-width: 210px;
  }

  .profile-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .footer-inner {
    align-items: start;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(1240px, calc(100% - 1.25rem));
    --header-height: 92px;
  }

  .hero-copy h1 {
    font-size: clamp(2.8rem, 13vw, 4.5rem);
  }

  html[lang="ja"] .hero-copy h1 {
    font-size: clamp(2.35rem, 10vw, 4rem);
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .button,
  .contact-actions .button {
    width: 100%;
  }

  .hero-flags li {
    width: 100%;
  }

  .hero-frame,
  .evidence-quote,
  .contact-panel,
  .signal-tile,
  .service-panel,
  .flow-step,
  .evidence-card {
    border-radius: 1.4rem;
  }

  .hero-axis {
    flex-direction: column;
    gap: 0.45rem;
    align-items: flex-start;
  }

  .annotation-a {
    top: 1rem;
    right: 1rem;
  }

  .annotation-b {
    left: 1rem;
    bottom: 5.8rem;
  }

  .signals-grid {
    grid-template-columns: 1fr;
  }

  .section-head h2,
  .contact-panel h2 {
    line-height: 1.02;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-frame {
    transform: none !important;
  }
}

.muted {
  color: var(--muted);
}

.page-inner .section {
  padding-block: clamp(4rem, 8vw, 6.5rem);
}

.page-hero {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(2.4rem, 5vw, 4rem);
}

.page-hero__title {
  margin: 0.9rem 0 0;
  font-size: clamp(2.6rem, 5vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  max-width: 12ch;
}

.pack-hero__title {
  max-width: 14ch;
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
}

.nav-toggle span {
  display: block;
  width: 1rem;
  height: 1px;
  margin: 0.28rem auto;
  background: currentColor;
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: rgba(5, 7, 13, 0.94);
}

.mobile-nav__inner {
  width: var(--container);
  margin-inline: auto;
  display: grid;
  gap: 0.2rem;
  padding: 1rem 0 1.2rem;
}

.mobile-nav__inner a {
  padding: 0.95rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--muted-strong);
  font-weight: 600;
}

.editorial-grid,
.hub-grid,
.surface-grid,
.studio-grid,
.scoreboard-grid,
.calendar-grid,
.thumb-grid,
.proof-grid {
  display: grid;
  gap: 1rem;
}

.editorial-grid,
.hub-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.surface-grid,
.studio-grid,
.scoreboard-grid,
.calendar-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.editorial-subhead {
  margin-top: 2.4rem;
}

.pack-card,
.surface-panel,
.system-panel,
.score-card,
.calendar-card,
.thumb-card,
.proof-panel,
.pack-aside__card,
.thumbnail-group,
.table-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    rgba(11, 15, 22, 0.82);
  box-shadow: var(--shadow-lg);
}

.pack-card,
.surface-panel,
.system-panel,
.score-card,
.calendar-card {
  padding: 1.2rem;
}

.pack-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 1.15rem;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1rem;
}

.pack-card .meta,
.score-card .meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.pack-card h3,
.surface-panel strong,
.system-panel h3,
.score-card h3,
.calendar-card h3,
.thumb-card strong,
.proof-panel h3,
.claim-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.15;
}

.pack-card p,
.surface-panel p,
.system-panel p,
.score-card p,
.calendar-card p,
.thumb-card p {
  margin: 0.75rem 0 0;
}

.surface-panel,
.system-panel,
.score-card,
.calendar-card {
  display: block;
}

.surface-panel:hover,
.surface-panel:focus-visible,
.pack-card:hover,
.pack-card:focus-within {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-strong);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
  margin-top: 1rem;
}

.link-row a {
  color: var(--accent-cyan);
  font-size: 0.9rem;
  font-weight: 700;
}

.thumbnail-group {
  padding: 1.2rem;
}

.thumbnail-group + .thumbnail-group {
  margin-top: 1rem;
}

.thumb-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.thumb-card {
  overflow: hidden;
}

.thumb-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.thumb-card__body {
  padding: 1rem;
}

.table-shell {
  padding: 0.3rem;
  overflow-x: auto;
}

.chain-table {
  width: 100%;
  border-collapse: collapse;
}

.chain-table th,
.chain-table td {
  padding: 0.95rem 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  vertical-align: top;
}

.chain-table tbody tr:last-child td {
  border-bottom: none;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.4rem;
  align-items: start;
}

.article-panel {
  max-width: none;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    rgba(11, 15, 22, 0.82);
  box-shadow: var(--shadow-lg);
}

.article-panel h1,
.article-panel h2,
.article-panel h3 {
  margin-top: 1.4rem;
  margin-bottom: 0.55rem;
  font-family: var(--font-display);
}

.article-panel h1 {
  font-size: clamp(2rem, 3.2vw, 3rem);
}

.article-panel h2 {
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.article-panel table {
  width: 100%;
  border-collapse: collapse;
}

.article-panel table th,
.article-panel table td {
  padding: 0.8rem 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  vertical-align: top;
}

.article-panel blockquote {
  margin: 1.2rem 0;
  padding: 1rem 1.2rem;
  border-left: 2px solid var(--accent-cyan);
  background: rgba(255, 255, 255, 0.03);
}

.pack-aside {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  display: grid;
  gap: 1rem;
}

.pack-aside__card {
  padding: 1rem;
}

.pack-asset-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.85rem;
}

.pack-asset-row {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pack-asset-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.proof-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.proof-panel {
  padding: 1.2rem;
}

.claim-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.claim-card {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
}

.claim-card p {
  margin: 0.7rem 0;
}

.compact-article {
  padding: 0;
  border: none;
  box-shadow: none;
  background: transparent;
}

.compact-callout {
  max-width: 780px;
}

.surface-count {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--accent);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.release-shelf {
  display: grid;
  gap: 2rem;
  margin-top: 2.25rem;
}

.release-grid {
  display: grid;
  gap: 1rem;
}

.release-card {
  padding: 1.2rem;
  border-radius: 1.4rem;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.025));
  box-shadow: var(--shadow-lg);
}

.release-card h3,
.empty-state {
  margin: 0;
}

.empty-state {
  padding: 1.25rem 1.35rem;
  border-radius: 1.2rem;
  border: 1px dashed var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
}

.report-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.25rem;
  align-items: start;
}

.report-aside {
  position: sticky;
  top: calc(var(--header-height) + 1.2rem);
  display: grid;
  gap: 1rem;
}

.report-callout {
  display: grid;
  gap: 1rem;
  margin-top: 0.8rem;
}

body.has-open-menu {
  overflow: hidden;
}

@media (max-width: 1120px) {
  .surface-grid,
  .studio-grid,
  .scoreboard-grid,
  .calendar-grid,
  .thumb-grid,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-shell {
    grid-template-columns: 1fr;
  }

  .pack-aside,
  .report-aside,
  .report-layout {
    position: static;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .site-nav,
  .header-actions .button--small {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-header.is-menu-open .mobile-nav {
    display: block;
  }

  .header-inner {
    grid-template-columns: auto auto auto;
  }

  .editorial-grid,
  .hub-grid,
  .surface-grid,
  .release-shelf,
  .studio-grid,
  .scoreboard-grid,
  .calendar-grid,
  .thumb-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .page-hero__title {
    max-width: none;
  }
}